Monday, 18 October, 2021

Use of geo-textile potential for haor dam protection

  • Our Correspondent
  • 8 October, 2021 12:00 AM
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Use of geo-textile potential for haor dam protection

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SYLHET: To protect the haor dam from flood water Geo-textile (cell) using got much benefited in an experimental basis from last few years. Further more they want to use it for getting the more benefit, says Samsus Duha, chief engineer of Sunamganj Water Development Board.

Earlier, only earth and bamboo was used for dam protected and repairing work after the dam collapsed, but it was not working in a permanent way. Every year it was damaged by haor disaster.

In future, Geo-textile (cell) if use inside the earth for the rest crops protect dam, it will be permanent work and save the govt money says water development board authority.

From last few years Geo-textile was start using around 100 vulnerable dam collapsed area in only Sunamganj district in experimental basis with the cost of 25 crore taka. Where water development board will getting good benefit, if once the work will be completed the sources informed.

According to Sunamganj WDB sources, there are 1400 kilometers long area is crops protect dam in haor area. Among the area 80 kilometer was a risky area for haor disaster.

In 2017, Tk 28.88 core was approved against the demand of Tk 55 crore in Sunamganj district for the dam protection work, where Tk 1.43 crore was approved for Sylhet district. It was the largest project for the Sunamganj haor dam protection work forever the sources informed.

Earlier on 2017, some 3.41 lakh farmers were affected in four districts of Sylhet division as over 1.13 lakh hectares of Boro paddy in haors of Sunamganj, Sylhet, Moulvibazar and Habiganj were submerged following flash floods caused by heavy rainfall, onrush of water from the upstream and Haor dam collapses.

Of them, 171,870 farmers fell victim to flood in Sunamganj while 103,104 in Sylhet, 30,828 in Moulvibazar and 35,211 in Habiganj, according to the Department of Agricultural Extension (DAE) in Sylhet.

The DAE said some 113,672 lakh hectares of haor croplands in the four districts were inundated. Of them, some 57,289 hectares of Boro paddy were damaged in Sunamganj while 34,379 hectares in Sylhet, 10,277 hectares in Moulvibazar and 11,737 hectares in Habiganj.

So far around 119.75 tonnes of fish, 5,000 ducks have died and 73,669 fishermen have been affected in the hoar areas since the flash floods.